<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title></title>
    <style type="text/css">
        #p1{text-transform:uppercase;}
        #p2{text-transform:lowercase;}
        #p3{text-transform:capitalize;}
    </style>
</head>
<body>
    <p id="p1">rome wasn't built in a day.</p>
    <p id="p2">rome wasn't built in a day.</p>
    <p id="p3">rome wasn't built in a day.</p>
</body>
</html>